HomeMy WebLinkAboutFile Documents.COACH RD.0079.2018 (19).ARBKAir System Sizing Summary for Whole House
Project Name: 18003-DBX 7 10/19/2018
Prepared by: RADER ENGINEERING INC.01:35PM
Air System Information
Air System Name Whole House
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 8146.0 ft²
Location Eagle, Colorado
Sizing Calculation Information
Calculation Months Jan to Dec
Sizing Data Calculated
Zone CFM Sizing Sum of space airflow rates
Space CFM Sizing Individual peak space loads
Central Cooling Coil Sizing Data
Total coil load 11.8 Tons
Total coil load 141.0 MBH
Sensible coil load 137.5 MBH
Coil CFM at Sep 1400 9171 CFM
Max block CFM 9171 CFM
Sum of peak zone CFM 9171 CFM
Sensible heat ratio 0.975
CFM/Ton 780.4
ft²/Ton 693.2
BTU/(hr·ft²)17.3
Water flow @ 10.0 °F rise 28.22 gpm
Load occurs at Sep 1400
OA DB / WB 82.9 / 61.7 °F
Entering DB / WB 73.0 / 59.4 °F
Leaving DB / WB 54.5 / 53.2 °F
Coil ADP 52.4 °F
Bypass Factor 0.100
Resulting RH 49 %
Design supply temp.50.0 °F
Zone T-stat Check 1 of 1 OK
Max zone temperature deviation 0.0 °F
Central Heating Coil Sizing Data
Max coil load 171.0 MBH
Coil CFM at Des Htg 9171 CFM
Max coil CFM 9171 CFM
Water flow @ 20.0 °F drop 17.11 gpm
Load occurs at Des Htg
BTU/(hr·ft²)21.0
Ent. DB / Lvg DB 68.8 / 91.8 °F
Humidifier Sizing Data
Max steam flow at Des Htg 8.82 lb/hr
Airflow Rate 9171 CFM
Air mass flow 30889.46 lb/hr
Moisture gain .00029 lb/lb
Supply Fan Sizing Data
Actual max CFM 9171 CFM
Standard CFM 6864 CFM
Actual max CFM/ft²1.13 CFM/ft²
Fan motor BHP 1.88 BHP
Fan motor kW 1.49 kW
Fan static 0.75 in wg
Outdoor Ventilation Air Data
Design airflow CFM 0 CFM
CFM/ft²0.00 CFM/ft²
CFM/person 0.00 CFM/person
Hourly Analysis Program 5.11 Page 1 of 3
10/19/18
10/30/2018
Zone Sizing Summary for Whole House
Project Name: 18003-DBX 7 10/19/2018
Prepared by: RADER ENGINEERING INC.01:35PM
Air System Information
Air System Name Whole House
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 8146.0 ft²
Location Eagle, Colorado
Sizing Calculation Information
Calculation Months Jan to Dec
Sizing Data Calculated
Zone CFM Sizing Sum of space airflow rates
Space CFM Sizing Individual peak space loads
Zone Terminal Sizing Data
Zone Name
Design
Supply
Airflow
(CFM)
Minimum
Supply
Airflow
(CFM)
Zone
CFM/ft²
Reheat
Coil
Load
(MBH)
Reheat
Coil
Water
gpm
@ 20.0 °F
Zone
Htg Unit
Coil
Load
(MBH)
Zone
Htg Unit
Water
gpm
@ 20.0 °F
Mixing
Box Fan
Airflow
(CFM)
Whole House 9171 9171 1.13 0.0 0.00 0.0 0.00 0
Zone Peak Sensible Loads
Zone Zone Zone
Cooling Time of Heating Floor
Sensible Peak Sensible Load Area
Zone Name (MBH)Cooling Load (MBH)(ft²)
Whole House 139.0 Sep 1400 178.4 8146.0
Hourly Analysis Program 5.11 Page 2 of 3
10/30/2018
Zone Sizing Summary for Whole House
Project Name: 18003-DBX 7 10/19/2018
Prepared by: RADER ENGINEERING INC.01:35PM
Space Loads and Airflows
Zone Name /
Space Name Mult.
Cooling
Sensible
(MBH)
Time of
Peak
Sensible
Load
Air
Flow
(CFM)
Heating
Load
(MBH)
Floor
Area
(ft²)
Space
CFM/ft²
Whole House
002 Family Room 1 16.6 Aug 1400 1027 24.9 1290.0 0.80
003 Powder 1 1 2.5 Nov 1400 139 2.0 47.0 2.96
004 Kitchenette 1 1.4 Jul 1500 77 0.5 103.0 0.75
006 Powder 2 1 0.4 Jul 1500 21 0.2 39.0 0.53
008 Laundry 1 1.4 Jul 1500 79 1.1 161.0 0.49
011 Hall 1 1.2 Jul 1500 87 2.1 374.0 0.23
012 Bath 1 1 0.8 Jul 1500 43 0.3 74.0 0.59
013 WIC 1 1 0.3 Jul 1500 15 0.3 72.0 0.20
014 Bed 1 1 3.0 Oct 1400 170 3.6 259.0 0.66
016 Bath 2 1 0.8 Jul 1500 43 0.3 74.0 0.59
017 WIC 2 1 0.3 Jul 1500 15 0.3 72.0 0.20
018 Bed 2 1 3.2 Oct 1400 178 3.6 259.0 0.69
019 Bath 3 1 0.9 Jul 1500 48 0.5 87.0 0.56
020 WIC 3 1 0.1 Jul 1500 12 0.3 51.0 0.23
021 Bed 3 1 2.0 Sep 1400 129 3.1 299.0 0.43
100 Entry & Gallery 1 10.5 Jul 1600 703 17.0 534.0 1.32
102 Living & Dining 1 34.3 Sep 1400 1926 34.8 919.0 2.10
104 Kitchen 1 8.1 Jul 1500 457 2.5 258.0 1.77
108 Pantry 1 1.6 Jul 1500 89 0.6 93.0 0.95
109 Powder 3 1 0.6 Jul 1500 32 0.3 44.0 0.73
111 Hall 1 10.6 Nov 1400 629 15.3 219.0 2.87
112 Office 1 6.6 Sep 1400 372 7.3 210.0 1.77
113 Wine 1 1.1 Jul 1500 87 2.1 138.0 0.63
114 Mudroom 1 1.8 Jul 1500 100 1.7 366.0 0.27
116 Garage 1 5.5 Aug 1600 535 13.0 766.0 0.70
201 Hall 1 6.2 Jul 1500 463 11.2 385.0 1.20
202 Master Bedroom 1 13.6 Oct 1400 764 13.6 354.0 2.16
203 Master Bath 1 7.9 Sep 1500 444 7.1 231.0 1.92
204 Steam Shower 1 4.4 Aug 1600 246 3.7 103.0 2.39
206 Master Dressing 1 4.3 Jul 1600 242 5.1 265.0 0.91
Hourly Analysis Program 5.11 Page 3 of 3
10/30/2018